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30647 (6642 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2030647
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1379283096856244 2.7827e-08  
a 2.257251142561296 6.3186e-09 au
q 1.945912307931872 6.278e-08 au
i 2.899729665895558 3.2087e-06 deg
node 49.50281107888429 6.4213e-05 deg
peri 300.4489384450597 6.5401e-05 deg
M 279.8674053433432 1.3624e-05 deg
tp 2459476.224243362769
(2021-Sep-18.72424336)
4.7388e-05 TDB
period 1238.706022635333
3.39
5.2012e-06
1.424e-08
d
yr
n .2906258574848165 1.2203e-09 deg/d
Q 2.56858997719072 7.1901e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1523  
   data-arc span      21823 days (59.75 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .494  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:38:53  

Additional Information
 Earth MOID = .940051 au 
 Jupiter MOID = 2.83639 au 
 T_jup = 3.608 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.18   n/a E2021B10  
diameter diameter 2.088 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.337   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30647 (6642 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 6642 P-L = 2000 HZ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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